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无线电频率是一种宝贵而有限的自然资源。为维护空中的电波秩序、保证各种无线电设备有效地、正常地工作,防止产生相互有害干扰就必须规划无线电频谱资源,以促进无线电事业的健康发展。现将频率规划及其应用例举如下:
Radio frequency is a valuable and limited natural resource. In order to maintain the radio wave order in the air and ensure that various radio equipment work effectively and normally to prevent mutual harmful interference, radio frequency spectrum resources must be planned to promote the healthy development of the radio industry. Now the frequency planning and its applications are as follows: